7021442402 has 16 divisors (see below), whose sum is σ = 11708212992. Its totient is φ = 3136127760.

The previous prime is 7021442401. The next prime is 7021442431. The reversal of 7021442402 is 2042441207.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (7021442401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4354928 + ... + 4356539.

It is an arithmetic number, because the mean of its divisors is an integer number (731763312).

Almost surely, 2^7021442402 is an apocalyptic number.

7021442402 is a deficient number, since it is larger than the sum of its proper divisors (4686770590).

7021442402 is a wasteful number, since it uses less digits than its factorization.

7021442402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8711513.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 7021442402 is about 83794.0475332228. The cubic root of 7021442402 is about 1914.8824222293.

Adding to 7021442402 its reverse (2042441207), we get a palindrome (9063883609).

The spelling of 7021442402 in words is "seven billion, twenty-one million, four hundred forty-two thousand, four hundred two".